| Patents for H02P 23 - Arrangements or methods for the control of ac-motors characterised by a control method other than vector control (5,487) |
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| 07/16/2008 | CN101222203A Control apparatus for electric car |
| 07/16/2008 | CN100403648C Fan speed regulation system simultaneously possessing PWM and external control |
| 07/16/2008 | CN100403628C Reversible motor |
| 07/15/2008 | US7400105 Motor drive device and image-forming device including the same |
| 07/10/2008 | US20080164836 Static Frequency Converter with Automatic Function for Optimizing Magnetic Flux and Minimizing Losses in Electric Induction Motors |
| 07/09/2008 | EP1941593A1 Mixed device for controlling power transfer between two cores of a direct current network and supplying an alternating current motor |
| 07/09/2008 | CN101217260A A slip control digital intelligent speed regulation and system of motor without speed transducer |
| 07/09/2008 | CN100401631C System and method for automatic current limit control |
| 07/03/2008 | US20080156939 Active pilot flight control stick system with passive electromagnetic feedback |
| 07/02/2008 | EP1938446A1 Ac motor controller |
| 07/01/2008 | US7394229 Switched reluctance generator |
| 06/25/2008 | CN201078842Y Alternating current machine electricity economizer |
| 06/25/2008 | CN201078841Y Multi-mode alternating current asynchronous motor operating control device |
| 06/25/2008 | CN101208858A Method for controlling a reluctance motor |
| 06/25/2008 | CN101208857A Operating three-phase equipment by single-phase power |
| 06/25/2008 | CN100397779C Method for providing energy saving service to electric motor, and refrigeration air-condition device |
| 06/25/2008 | CN100397778C Brushless motor control utilizing independent phase parameters |
| 06/24/2008 | US7391181 Loss minimized PWM for voltage source inverters taking into account inverter non-linearity |
| 06/19/2008 | US20080143289 Sensorless control systems and methods for permanent magnet rotating machines |
| 06/18/2008 | EP1933454A1 Method for power control of an electric device |
| 06/18/2008 | CN201075863Y Low-tension motor intelligent soft start compensating control apparatus |
| 06/18/2008 | CN101201259A Motor control apparatus |
| 06/17/2008 | US7388346 Adjustment method of rotor position detection of synchronous motor |
| 06/12/2008 | WO2008070633A2 Barrier operator with panic control override mode and related method |
| 06/12/2008 | US20080136380 Method for Controlled Application of a Stator Current Set Point Value and of a Torque Set Point Value for a Converter-Fed Rotating-Field Machine |
| 06/11/2008 | CN201072858Y Induction motor control system and induction motor system |
| 06/11/2008 | CN101197555A Electric car motor control method and fault-tolerance processing method for its rotor position detection |
| 06/05/2008 | US20080129233 Barrier operator with panic control override mode and related method |
| 06/04/2008 | CN201069856Y An intelligent power-saving protection device for electromotor |
| 05/29/2008 | WO2008061575A1 Electric motor with programmed asic |
| 05/29/2008 | WO2008004177A3 Method for controlling a deceleration process of a dc motor and controller |
| 05/28/2008 | EP1926206A1 Frequency converter |
| 05/28/2008 | CN201066830Y Car power-saving jack |
| 05/27/2008 | US7378809 Controller for controlling an electric machine |
| 05/22/2008 | US20080120055 Method and apparatus for resolver compensation |
| 05/22/2008 | US20080116841 Semiconductor device, motor drive device and air conditioning machine |
| 05/21/2008 | CN201063578Y Automatic control device for motor |
| 05/21/2008 | CN101183850A Electricity-saving control method and device of frequency converter |
| 05/15/2008 | US20080112695 Motor drive apparatus and method |
| 05/14/2008 | EP1920530A2 Processing unit |
| 05/14/2008 | CN101179254A Power-saving device of industry high speed seamer |
| 05/14/2008 | CN101179253A Three-phase clutch motor load three-phase operation, idle load single-phase operation method |
| 05/14/2008 | CN100388620C Method for improving permanent-magnetic linear motor motion precision |
| 05/14/2008 | CN100388619C Driving method and device for motor |
| 05/13/2008 | US7372232 Apparatus for drive control, power conversion, and start-up control in a PMBDCM or two-phase SRM drive system |
| 05/13/2008 | US7372227 Apparatus for braking a synchronous machine |
| 05/08/2008 | WO2008052388A1 Control method of electromotor |
| 05/07/2008 | EP1918506A2 Home automation actuator comprising an asynchronous electric motor with variable rotation speed |
| 05/07/2008 | CN101174813A Energy-saving control method of oil pumping machine |
| 04/30/2008 | CN201054561Y An electromotor energy-saving digital control system |
| 04/30/2008 | CN101168352A Multiple motor wheel edge separated driving electric vehicle propulsion control system and method |
| 04/30/2008 | CN100385789C System for controlling rotary device |
| 04/23/2008 | CN201051735Y Single phase motor drive device |
| 04/23/2008 | CN100384082C Method and apparatus for controlling AC induction motor energy-saving operation |
| 04/17/2008 | US20080088271 Device of pulse width modulation type for load drive |
| 04/17/2008 | US20080088269 Motor Controller |
| 04/17/2008 | US20080088268 Fan Motor Drive Device and Cooler |
| 04/16/2008 | EP1911058A1 Safety switching unit for controlling a safety device into a safe state |
| 04/16/2008 | CN101161499A A method for controlling mixing dynamic electrical machine working mode |
| 04/02/2008 | EP1906520A1 Methods and system for motor drive information capture |
| 04/02/2008 | EP1782529A4 Automatic output power limiting electrical device |
| 04/02/2008 | CN101154914A Voltage- regulating and electricity-saving method of AC asynchronous motor |
| 04/02/2008 | CN101154913A Methods and system for motor drive information capture |
| 04/02/2008 | CN101154912A H bridge control system and its control method |
| 03/27/2008 | US20080074073 Device and method for controlling changing operation of on-load tap changer |
| 03/26/2008 | EP1903670A1 Secondary battery control device and control method |
| 03/26/2008 | EP1632017B1 Control device |
| 03/26/2008 | CN100377493C Rotating magnetic field type driver for active controlling torsional vibration of rotational axis system |
| 03/25/2008 | US7348758 Audible noise reduction for single current shunt platform |
| 03/25/2008 | US7348757 Circuit to improve motor phase current reconstruction via DC link |
| 03/20/2008 | US20080067970 Induction motor controller |
| 03/19/2008 | CN201039075Y Motor power-saving controller |
| 03/19/2008 | CN201039074Y An energy-saving control device for clutch motor |
| 03/19/2008 | CN201039073Y Electronic adjuster for power consumption and loadless low-rotation speed car generator |
| 03/13/2008 | US20080061729 Methods to control high speed electric machines having a front-end emi filter attached |
| 03/12/2008 | EP0922325B1 Method for controlling an asynchronous machine |
| 03/12/2008 | CN101141070A Novel intelligent electric machine battery control system |
| 03/11/2008 | US7342380 System and method for adjustable carrier waveform generator |
| 03/11/2008 | US7342379 Sensorless control systems and methods for permanent magnet rotating machines |
| 03/05/2008 | CN101136572A Duplex winding asynchronous motor |
| 03/05/2008 | CN100373768C Position sensorless control algorithm for AC machine |
| 03/04/2008 | US7339346 Motor and drive control device therefor |
| 02/28/2008 | WO2008023688A1 Ac load driver and switching control method |
| 02/27/2008 | CN201029224Y Full digitized machine set cascade speed control device |
| 02/27/2008 | CN101132164A Method for eliminating interference of exterior magnetic field to electric motor |
| 02/27/2008 | CN101132163A DTC magnetic linkage estimation filtering method with compensation ability |
| 02/27/2008 | CN100372226C Controller of DC brushless motor |
| 02/26/2008 | US7336050 Control system and method for permanent magnet synchronous motor |
| 02/21/2008 | DE102006038209A1 Voltage-controlled electric motor i.e. brushless direct current motor, operating method, involves determining output voltage of amplifier based on operating parameters of electric motor and measured supply voltage |
| 02/20/2008 | EP1889355A1 Method and device for controlling a brushless direct-current motor |
| 02/20/2008 | CN101127464A Dynamoelectric machine rotor and method for reducing torque ripple |
| 02/14/2008 | US20080036404 Elecrtric motor controller for a domestic appliance |
| 02/12/2008 | US7330011 Motor driving apparatus |
| 02/07/2008 | WO2008014855A1 Drive and method |
| 02/07/2008 | US20080031024 Method in connection with network converter, and network converter |
| 02/07/2008 | DE102007027827A1 Antrieb und Verfahren Drive and procedures |
| 02/07/2008 | DE102006035891A1 Antrieb und Verfahren Drive and procedures |
| 02/06/2008 | CN201018448Y Three-phase power-saving device for sewing machine |
| 02/06/2008 | CN101119050A Method for changing 50W AC servo motor to 30W AC servo motor |
| 02/06/2008 | CN100366902C Driver of electric compressor |